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Blood pressure measuring method and device

A blood pressure measurement and blood pressure technology, applied in vascular assessment, cardiac catheterization, etc., can solve the problems of inconvenient calculation parameters and error-prone, and achieve the effect of reducing the probability of errors, convenient operation and improving convenience.

Active Publication Date: 2016-07-13
BOE TECH GRP CO LTD
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  • Summary
  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The present invention aims at the problem that the existing cuffless blood pressure measuring equipment is inconvenient to call and calculate parameters, and is prone to errors, and provides a blood pressure measuring method and a blood pressure measuring device

Method used

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  • Blood pressure measuring method and device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0062] This embodiment provides a method for measuring blood pressure, such as figure 1 shown, including the following steps:

[0063] Extract a user's electrocardiogram waveform signal (ECG) and pulse wave signal (PPG);

[0064] Calculate the pulse wave transit time (PTT) according to the electrocardiogram waveform signal (ECG) and pulse wave signal (PPG);

[0065] Identifying the pre-stored identity feature data corresponding to the user according to the user's electrocardiogram waveform signal (ECG), and extracting the user's pre-stored calibration data according to the identity feature data;

[0066] Calculates blood pressure values ​​based on pulse transit time (PTT) and pre-stored calibration data.

[0067] In the blood pressure measurement method of this embodiment, firstly, the electrocardiogram waveform signal is used to establish and pre-store calibration data matching the user’s identity feature data, and when the user measures blood pressure, the user’s pre-store...

Embodiment 2

[0069] This embodiment provides a method for measuring blood pressure, such as figure 2 As shown by the solid line, the following steps are included:

[0070] S1. Extracting a user's electrocardiogram waveform signal (ECG) and pulse wave signal (PPG);

[0071] S2, calculate the pulse wave transit time (PTT) according to the electrocardiogram waveform signal (ECG) and the pulse wave signal (PPG);

[0072] S3. Identify the pre-stored identity feature data corresponding to the user according to the user's electrocardiogram waveform signal (ECG), and extract the user's pre-stored calibration data according to the identity feature data;

[0073] Preferably, the pre-stored identity feature data is obtained by the following methods:

[0074] An average cardiac cycle waveform S'm is extracted from a continuous electrocardiogram waveform signal (ECG) of the user and pre-stored as identity feature data.

[0075] Specifically, such as image 3 As shown, the pre-stored identity chara...

Embodiment 3

[0105] This embodiment provides a blood pressure measuring device, such as Image 6 shown, including:

[0106] Electrocardiogram waveform signal (ECG) acquisition module, is used for collecting user's electrocardiogram data;

[0107] A pulse wave signal (PPG) acquisition module is used to collect user pulse wave data;

[0108] A pulse wave transit time (PTT) calculation module is used to calculate the pulse wave transit time (PTT) according to the electrocardiogram signal and the pulse wave signal;

[0109] Identity feature data extraction module, for extracting prestored identity feature data according to the user's electrocardiogram waveform signal (ECG);

[0110] A management data module, used for pre-storing or outputting identity feature data and calibration data corresponding to the identity feature data;

[0111] The blood pressure value calculation module is used for calculating the blood pressure value according to the pulse wave propagation time and calibration da...

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Abstract

The invention provides a blood pressure measuring method and device, and belongs to the technical field of blood pressure measurement.The problems that existing blood pressure measuring equipment with no cuff cannot call computing parameters conveniently, and errors are likely to be caused are solved.The blood pressure measuring method comprises the steps that calibration data matched with user identity characteristic data is built and prestored through electrocardiogram wave signals at first; when a user measures blood pressure, the prestored calibration data of the user is extracted according to the g method comprises the steps that calibration data matched with user, and automatic identification of the user identity is achieved; the phenomenon that the user manually inputs identity information and selects calibration parameters is avoided, the trouble that identity information needs to be frequently and manually input to select calibration parameters on the condition that multiple users share equipment is solved, using convenience is improved, and error probability is reduced.The blood pressure measuring device is simple in hardware structure, convenient to use and operate and suitable for being used by multiple users at the same time.

Description

technical field [0001] The invention belongs to the technical field of blood pressure measurement, and in particular relates to a blood pressure measurement method and a blood pressure measurement device. Background technique [0002] Blood pressure measurement is the main method for the diagnosis, treatment and evaluation of the severity and classification of hypertension. Although the common inflatable electronic sphygmomanometer has mature technology, the measurement process is cumbersome and the user will feel uncomfortable when measuring. [0003] With the development of technology, there has been a cuffless blood pressure measurement device that does not require cuff inflation. This type of device is generally based on the principle of linear correlation between pulse wave transit time (PTT) and blood pressure. By detecting the human body's electrocardiogram ( ECG) and pulse wave (PPG) signal feature point time difference to calculate PTT, and calculate the blood press...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/021
CPCA61B5/02125
Inventor 赵辉
Owner BOE TECH GRP CO LTD
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